QoutaMCP

import fs from 'fs/promises'; import path from 'path'; import { fileURLToPath } from 'url'; const __dirname = path.dirname(fileURLToPath(import.meta.url)); // Load signatures const signaturesPath = path.join(__dirname, '..', 'rules', 'signatures.json'); let signatures = null; async function loadSignatures() { if (!signatures) { const data = await fs.readFile(signaturesPath, 'utf-8'); signatures = JSON.parse(data); } return signatures; } /** * Detect programming languages used in a project * @param {string} projectPath - Path to the project directory * @param {string[]} files - List of files in the project (relative paths) * @returns {Promise<Array<{name: string, confidence: number}>>} */ export async function detectLanguages(projectPath, files) { const sigs = await loadSignatures(); const detected = []; const fileSet = new Set(files.map(f => path.basename(f))); // Count extensions const extensionCounts = {}; for (const file of files) { const ext = path.extname(file).toLowerCase(); if (ext) { extensionCounts[ext] = (extensionCounts[ext] || 0) + 1; } } for (const [langKey, langData] of Object.entries(sigs.languages)) { let confidence = 0; // Check signature files (+0.6) const hasSignatureFile = langData.files.some(sigFile => fileSet.has(sigFile)); if (hasSignatureFile) { confidence += 0.6; } // Check file extensions (+0.1 to +0.3 based on count) const langExtensions = langData.extensions || []; let extCount = 0; for (const ext of langExtensions) { extCount += extensionCounts[ext] || 0; } if (extCount > 0) { // Scale confidence based on file count (max +0.3) const extConfidence = Math.min(0.3, extCount * 0.02); confidence += extConfidence; } if (confidence > 0) { detected.push({ name: langData.name, key: langKey, confidence: Math.round(confidence * 100) / 100 }); } } // Sort by confidence descending detected.sort((a, b) => b.confidence - a.confidence); return detected; } /** * Get signature rules */ export async function getSignatures() { return loadSignatures(); }